5g资源-阿里云

《5G 系统技术原理与实现》——第 3 章　5G 基本原理与业务流程——3.3　5G 时频资源

3.3　5G 时频资源5G 时频资源包括RE（Resource Element，资源粒子）、RB（Resource Block，资源块）、CCE（Control Channel Element，控制信道元素）、RG（Resource Grid，...

资源块|带你读《5G空口特性与关键技术》之九

第 3 章 5G 物理资源 3.1 频段及带宽特性 3.2 资源块 5G 系统中，一个资源块（RB）由频域上连续的个子载波组成，物理资源块（PRB）与 RB 的概念是相同的。子载波长度越大，每个 PRB 占用的频域带宽越大，不同子载波间隔下 PRB 长度示意如图 3-4 所示。公共资源块（CRB）表...

5G 物理资源 |带你读《5G空口特性与关键技术》之八

| 2.4 5G 帧结构 | 第 3 章 5G 物理资源 3.1 频段及带宽特性 3.1.1 5G 频段定义 5G 系统中，定义了多种频段，FR1 和 FR2 分别对应不同的频段范围，如表 3-1 所示。由此可见，2.6GHz、3.5GHz 和 4.9GHz 都属于 FR1，26GHz 和 39GH...

空口资源 | 带你读《5G 空口设计与实践进阶》之十四

NR 空口资源综述 2.8 PHY 层 | 3.1 空口资源 | NR 空口物理资源的主要描述维度与 LTE 基本相同，具体可划分为时域、频域和空域 3 个维度，如图 3-1 所示。由于采用了与 LTE 相同的基于 OFDM 波形的传输方案，NR 沿用了大多数LTE 对“时—频—空”资源的定义，如帧...

抢5G资源 AT&T拟16亿美元收购StraightPath

据外媒报道，美国电信巨头AT&T周一宣布它将以16亿美元的价格收购Straight Path Communications，这将帮助它更好地竞争下一代5G无线手机连网市场。美国联邦通信委员会已经批准将28GHz和39GHz频谱用于5G无线通信服务，而Straight Path就是这些频谱的...

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